About This

• Compatibility: The medium aquarium filter cartridge is compatible with Whisper Bio-Bag External Filter PF10, Whisper Internal Filter 10i, Whisper External Filter IQ10 and TetraFauna ReptoFilter 20 gallons (90 GPH). Warm Tips: Please carefully confirm whether the model is suitable before purchasing.
• Advanced Filtration System: The outer layer is crafted from high-density cotton material, efficiently capture debris, impurities, and fish waste. The middle layer contains ultra-activated carbon, which removes heavy metal and harmful items from water, ensures a clean, healthy, and comfortable environment for your fish.
• Easy Maintenance with Regular Replacement: To ensure optimal performance, replace the filter cartridges monthly. Regular replacement maintains water quality, and supports a balanced aquarium ecosystem, extending the life of your equipment and making fishkeeping stress-free.
• Quick & Hassle-Free Installation: Pre-assembled design saves time and effort. Simply remove the used filter, rinse a new filter under water to clear surface dust, and insert it into the designated slot.
• Value Pack for Long-Term Use: Each package includes 12 filter cartridges, ensuring you’re stocked for months. This convenient quantity keeps your aquarium water fresh and your fish happy, minimizing frequent purchases.